<?php namespace Modules\Web\Http\Controllers;

use Pingpong\Modules\Routing\Controller;

class GroupBuyController extends Controller {
	
	public function index()
	{
        /**
         * ECSHOP 团购商品前台文件
         * ============================================================================
         * * 版权所有 2005-2012 上海商派网络科技有限公司，并保留所有权利。
         * 网站地址: http://www.ecshop.com；
         * ----------------------------------------------------------------------------
         * 这不是一个自由软件！您只能在不用于商业目的的前提下对程序代码进行修改和
         * 使用；不允许对程序代码以任何形式任何目的的再发布。
         * ============================================================================
         * $Author: liubo $
         * $Id: group_buy.php 17217 2011-01-19 06:29:08Z liubo $
         */

        define('IN_ECS', true);

        require(dirname(__FILE__) . '/includes/init.php');

        if ((DEBUG_MODE & 2) != 2)
        {
            $smarty->caching = true;
        }

        /*------------------------------------------------------ */
//-- act 操作项的初始化
        /*------------------------------------------------------ */
        if (empty($_REQUEST['act']))
        {
            $_REQUEST['act'] = 'list';
        }

        /*------------------------------------------------------ */
//-- 团购商品 --> 团购活动商品列表
        /*------------------------------------------------------ */
        if ($_REQUEST['act'] == 'list')
        {
            /* 取得团购活动总数 */
            $count = group_buy_count();
            if ($count > 0)
            {
                /* 取得每页记录数 */
                $size = isset($_CFG['page_size']) && intval($_CFG['page_size']) > 0 ? intval($_CFG['page_size']) : 10;

                /* 计算总页数 */
                $page_count = ceil($count / $size);

                /* 取得当前页 */
                $page = isset($_REQUEST['page']) && intval($_REQUEST['page']) > 0 ? intval($_REQUEST['page']) : 1;
                $page = $page > $page_count ? $page_count : $page;

                /* 缓存id：语言 - 每页记录数 - 当前页 */
                $cache_id = $_CFG['lang'] . '-' . $size . '-' . $page;
                $cache_id = sprintf('%X', crc32($cache_id));
            }
            else
            {
                /* 缓存id：语言 */
                $cache_id = $_CFG['lang'];
                $cache_id = sprintf('%X', crc32($cache_id));
            }

            /* 如果没有缓存，生成缓存 */
            if (!$smarty->is_cached('group_buy_list.dwt', $cache_id))
            {
                if ($count > 0)
                {
                    /* 取得当前页的团购活动 */
                    $gb_list = group_buy_list($size, $page);
                    $smarty->assign('gb_list',  $gb_list);

                    /* 设置分页链接 */
                    $pager = get_pager('group_buy.php', array('act' => 'list'), $count, $page, $size);
                    $smarty->assign('pager', $pager);
                }

                /* 模板赋值 */
                $smarty->assign('cfg', $_CFG);
                assign_template();
                $position = assign_ur_here();
                $smarty->assign('page_title', $position['title']);    // 页面标题
                $smarty->assign('ur_here',    $position['ur_here']);  // 当前位置
                $smarty->assign('categories', get_categories_tree()); // 分类树
                $smarty->assign('helps',      get_shop_help());       // 网店帮助
                $smarty->assign('top_goods',  get_top10());           // 销售排行
                $smarty->assign('promotion_info', get_promotion_info());
                $smarty->assign('feed_url',         ($_CFG['rewrite'] == 1) ? "feed-typegroup_buy.xml" : 'feed.php?type=group_buy'); // RSS URL

                assign_dynamic('group_buy_list');
            }

            /* 显示模板 */
            $smarty->display('group_buy_list.dwt', $cache_id);
        }

        /*------------------------------------------------------ */
//-- 团购商品 --> 商品详情
        /*------------------------------------------------------ */
        elseif ($_REQUEST['act'] == 'view')
        {
            /* 取得参数：团购活动id */
            $group_buy_id = isset($_REQUEST['id']) ? intval($_REQUEST['id']) : 0;
            if ($group_buy_id <= 0)
            {
                ecs_header("Location: ./\n");
                exit;
            }

            /* 取得团购活动信息 */
            $group_buy = group_buy_info($group_buy_id);

            if (empty($group_buy))
            {
                ecs_header("Location: ./\n");
                exit;
            }
//    elseif ($group_buy['is_on_sale'] == 0 || $group_buy['is_alone_sale'] == 0)
//    {
//        header("Location: ./\n");
//        exit;
//    }

            /* 缓存id：语言，团购活动id，状态，（如果是进行中）当前数量和是否登录 */
            $cache_id = $_CFG['lang'] . '-' . $group_buy_id . '-' . $group_buy['status'];
            if ($group_buy['status'] == GBS_UNDER_WAY)
            {
                $cache_id = $cache_id . '-' . $group_buy['valid_goods'] . '-' . intval($_SESSION['user_id'] > 0);
            }
            $cache_id = sprintf('%X', crc32($cache_id));

            /* 如果没有缓存，生成缓存 */
            if (!$smarty->is_cached('group_buy_goods.dwt', $cache_id))
            {
                $group_buy['gmt_end_date'] = $group_buy['end_date'];
                $smarty->assign('group_buy', $group_buy);

                /* 取得团购商品信息 */
                $goods_id = $group_buy['goods_id'];
                $goods = goods_info($goods_id);
                if (empty($goods))
                {
                    ecs_header("Location: ./\n");
                    exit;
                }
                $goods['url'] = build_uri('goods', array('gid' => $goods_id), $goods['goods_name']);
                $smarty->assign('gb_goods', $goods);

                /* 取得商品的规格 */
                $properties = get_goods_properties($goods_id);
                $smarty->assign('specification', $properties['spe']); // 商品规格

                //模板赋值
                $smarty->assign('cfg', $_CFG);
                assign_template();

                $position = assign_ur_here(0, $goods['goods_name']);
                $smarty->assign('page_title', $position['title']);    // 页面标题
                $smarty->assign('ur_here',    $position['ur_here']);  // 当前位置

                $smarty->assign('categories', get_categories_tree()); // 分类树
                $smarty->assign('helps',      get_shop_help());       // 网店帮助
                $smarty->assign('top_goods',  get_top10());           // 销售排行
                $smarty->assign('promotion_info', get_promotion_info());
                assign_dynamic('group_buy_goods');
            }

            //更新商品点击次数
            $sql = 'UPDATE ' . $ecs->table('goods') . ' SET click_count = click_count + 1 '.
                "WHERE goods_id = '" . $group_buy['goods_id'] . "'";
            $db->query($sql);

            $smarty->assign('now_time',  gmtime());           // 当前系统时间
            $smarty->display('group_buy_goods.dwt', $cache_id);
        }

        /*------------------------------------------------------ */
//-- 团购商品 --> 购买
        /*------------------------------------------------------ */

        elseif ($_REQUEST['act'] == 'buy')
        {
            /* 查询：判断是否登录 */
            if ($_SESSION['user_id'] <= 0)
            {
                show_message($_LANG['gb_error_login'], '', '', 'error');
            }

            /* 查询：取得参数：团购活动id */
            $group_buy_id = isset($_POST['group_buy_id']) ? intval($_POST['group_buy_id']) : 0;
            if ($group_buy_id <= 0)
            {
                ecs_header("Location: ./\n");
                exit;
            }

            /* 查询：取得数量 */
            $number = isset($_POST['number']) ? intval($_POST['number']) : 1;
            $number = $number < 1 ? 1 : $number;

            /* 查询：取得团购活动信息 */
            $group_buy = group_buy_info($group_buy_id, $number);
            if (empty($group_buy))
            {
                ecs_header("Location: ./\n");
                exit;
            }

            /* 查询：检查团购活动是否是进行中 */
            if ($group_buy['status'] != GBS_UNDER_WAY)
            {
                show_message($_LANG['gb_error_status'], '', '', 'error');
            }

            /* 查询：取得团购商品信息 */
            $goods = goods_info($group_buy['goods_id']);
            if (empty($goods))
            {
                ecs_header("Location: ./\n");
                exit;
            }

            /* 查询：判断数量是否足够 */
            if (($group_buy['restrict_amount'] > 0 && $number > ($group_buy['restrict_amount'] - $group_buy['valid_goods'])) || $number > $goods['goods_number'])
            {
                show_message($_LANG['gb_error_goods_lacking'], '', '', 'error');
            }

            /* 查询：取得规格 */
            $specs = '';
            foreach ($_POST as $key => $value)
            {
                if (strpos($key, 'spec_') !== false)
                {
                    $specs .= ',' . intval($value);
                }
            }
            $specs = trim($specs, ',');

            /* 查询：如果商品有规格则取规格商品信息 配件除外 */
            if ($specs)
            {
                $_specs = explode(',', $specs);
                $product_info = get_products_info($goods['goods_id'], $_specs);
            }

            empty($product_info) ? $product_info = array('product_number' => 0, 'product_id' => 0) : '';

            /* 查询：判断指定规格的货品数量是否足够 */
            if ($specs && $number > $product_info['product_number'])
            {
                show_message($_LANG['gb_error_goods_lacking'], '', '', 'error');
            }

            /* 查询：查询规格名称和值，不考虑价格 */
            $attr_list = array();
            $sql = "SELECT a.attr_name, g.attr_value " .
                "FROM " . $ecs->table('goods_attr') . " AS g, " .
                $ecs->table('attribute') . " AS a " .
                "WHERE g.attr_id = a.attr_id " .
                "AND g.goods_attr_id " . db_create_in($specs);
            $res = $db->query($sql);
            while ($row = $db->fetchRow($res))
            {
                $attr_list[] = $row['attr_name'] . ': ' . $row['attr_value'];
            }
            $goods_attr = join(chr(13) . chr(10), $attr_list);

            /* 更新：清空购物车中所有团购商品 */
            include_once(ROOT_PATH . 'includes/lib_order.php');
            clear_cart(CART_GROUP_BUY_GOODS);

            /* 更新：加入购物车 */
            $goods_price = $group_buy['deposit'] > 0 ? $group_buy['deposit'] : $group_buy['cur_price'];
            $cart = array(
                'user_id'        => $_SESSION['user_id'],
                'session_id'     => SESS_ID,
                'goods_id'       => $group_buy['goods_id'],
                'product_id'     => $product_info['product_id'],
                'goods_sn'       => addslashes($goods['goods_sn']),
                'goods_name'     => addslashes($goods['goods_name']),
                'market_price'   => $goods['market_price'],
                'goods_price'    => $goods_price,
                'goods_number'   => $number,
                'goods_attr'     => addslashes($goods_attr),
                'goods_attr_id'  => $specs,
                'is_real'        => $goods['is_real'],
                'extension_code' => addslashes($goods['extension_code']),
                'parent_id'      => 0,
                'rec_type'       => CART_GROUP_BUY_GOODS,
                'is_gift'        => 0
            );
            $db->autoExecute($ecs->table('cart'), $cart, 'INSERT');

            /* 更新：记录购物流程类型：团购 */
            $_SESSION['flow_type'] = CART_GROUP_BUY_GOODS;
            $_SESSION['extension_code'] = 'group_buy';
            $_SESSION['extension_id'] = $group_buy_id;

            /* 进入收货人页面 */
            ecs_header("Location: ./flow.php?step=consignee\n");
            exit;
        }


        return view('web::index');
	}
	
}